Quality Control measures the quality of a product.
Quality Assurance measures the quality of processess used to create quality product.
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Quality Assurance :
- It is a Assurance activity,emphasizing on the standards and procedures to be followed while developing an application
- It is a Preventive action taken before hand to ensure the product that developed are defect free
- It is a systematic actions necessary to provide enough confidence that a product or service will satisfy the given requirements for quality.
Quality Control
- It is a Corrective action
- Inspection if the developed application follows the standards and procedures by using the checklists.
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With reference to some documents i posting the details about Quality Assurance.
Software QA involves the entire software development PROCESS - Monitoring and improving the process, making sure that any agreed-upon standards and procedures are followed, and ensuring that problems are found and dealth with. It is oreinted to 'Prevention'.
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QC/Testing - Is a process of evaluating a software system against the
predefined standards (requirements) with intension to find the defects.
QA - It deals with creation, implementation and continuous improvement of
processes employed in all phases of system development life cycle i.e
Planning
Analysis
Designing
Coding/Building
Testing
Deployment/Implementation
Maintained.
QA focuses on completeness and thoroughness in the methods and practices
followed for creating a software product, where as testing verifies the
incompleteness and deficiencies of the same product.
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Quality Assurance:
Simply it is "Am I building the product right way?"
Process oriented
Process to bring the quality product
Example - interview, walkthourghs, audits... etc.
Quality Control
Simply it is "Am I building the right product?"
Product orieneted.
Validating the application
Example - Testing an application
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Quality assurance is planed and systematic set of activities necessary to provide adequate confidence that products/services will confirm to the specified requirements. It is a staff function, Defect prevention based.
Quality control is the process in which product quality is compared with applicable standards and action will be taken when non conformance occurred. It is a line function, Defect design based.
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Quality assurance is a process oriented (verification).
Quality Control is a product oriented (validation).
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- QA makes sure that we are doing the right things in the right way.
- QC makes sure that whatever we have done, is as per the requirements.
- QA is process oriented.
- QC is product oriented.
- QA establishes precess.
- QC implements process.
- QA is the resposibilty of entire team.
- QC is the responsibility of tester.
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Quality assurance (QA) is about process. It is the systematic establishment and monitoring of processes designed to improve quality throughout an organization. The two major aspects of QA are 1) to ensure products and services are "fit for purpose" and that errors in processes are minimized. Code peer reviews, walkthroughs, and code inspections are examples of quality assurance.
Quality control (QC) deals directly with a product or service. It is a process through which quality performance is measured, compared it to standards, and actions are taken to close the differences. Test design, execution and defect reporting are examples of quality control.
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Quality Assurance is defect prevention method and where as Quality Control is defect detection and correction method.
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bheemrao
Answered On : Sep 21st, 2011
Quality Control is for Process quality &
Quality Assurance is for Product quality.
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